Core Insights - U.S.-listed biotech and healthcare stocks experienced significant bullish activity in after-hours trading, with Turn Therapeutics Inc. leading the surge with a 134.29% increase to $16.40 following its Nasdaq debut [1] Group 1: Company Performances - Talphera Inc. reached a new 52-week high in regular trading and added 4.55% after hours to close at $1.38, driven by momentum despite no new updates [2] - Personalis Inc. rose 1.50% to $8.81 in after-hours trading, having hit a 52-week high earlier in the day, likely due to ongoing investor interest in precision oncology [2] - Ionis Pharmaceuticals Inc. climbed 3.64% to $72.51 after hours, supported by its Innovation Day presentation and reaffirmation of its pipeline strategy, leading to a new 52-week high during regular trading [3] - Sensei Biotherapeutics Inc. increased 5.23% to $12.08, with anticipation building ahead of its pipeline updates scheduled for October 20 [3] - Corbus Pharmaceuticals Holdings Inc. gained 4.77% to $14.06, preparing for participation in the Piper Sandler Virtual Oncology Symposium on October 9 [4] - Longeveron Inc. advanced 5.71% to $0.9801, with expectations for insights into its regenerative medicine pipeline at the ROTH Healthcare Opportunities Conference [4] - Palisade Bio Inc. rose 5.00% to $2.10 in after-hours trading, buoyed by a recent $138 million public offering that strengthened its balance sheet ahead of Phase 2 trials [5] Group 2: Market Trends - The after-hours session showcased a mix of technical breakouts, event-driven anticipation, and momentum trading, indicating a fertile environment for volatility and investment opportunities in the biotech sector [6]